Home / 3,837.30-5,755.83-1,240.14

Finding the Fourth Proportional to 3,837.30, 5,755.83 and 1,240.14

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Solution

The fourth proportional to 3,837.30, 5,755.83 and 1,240.14 is: 1,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.30 : 5,755.83 = 1,240.14 : x
  2. Step 2: Convert to fraction form
    3,837.30/5,755.83 = 1,240.14/x
  3. Step 3: Cross multiply
    3,837.30x = 5,755.83 × 1,240.14
  4. Step 4: Simplify right side
    3,837.30x = 7,138,035.02
  5. Step 5: Solve for x
    x = 7,138,035.02/3,837.30
  6. Step 6: Final answer
    x = 1,860.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.